CN109867313A - A kind of steam-electric power seawater desalination system - Google Patents
A kind of steam-electric power seawater desalination system Download PDFInfo
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- CN109867313A CN109867313A CN201711270588.2A CN201711270588A CN109867313A CN 109867313 A CN109867313 A CN 109867313A CN 201711270588 A CN201711270588 A CN 201711270588A CN 109867313 A CN109867313 A CN 109867313A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/144—Wave energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The present invention relates to a kind of steam-electric power seawater desalination systems.Steam-electric power seawater desalination system includes the steam generation device of clean energy resource electricity generation system and the electric energy production superheated steam generated using clean energy resource electricity generation system, steam generation device is connected with the steam generating system to generate electricity using superheated steam, seawater desalination system is connected on steam generating system, seawater desalination system includes the parallel arrangement of evaporative condenser system for needing the first seawater desalination system that sea water desalination is carried out using electric energy and only need to carry out sea water desalination using heat, and evaporative condenser system passes through pipeline simultaneously and connect with steam generation device.When the amount of superheated steam is enough, steam generating system generates electricity and waste heat supplies the first seawater desalination system simultaneously and evaporative condenser system carries out sea water desalination operation, when superheated steam amount deficiency, the superheated steam that steam generation device makes can be fed directly to evaporative condenser system, the utilization rate of superheated steam is improved, it is energy saving.
Description
Technical field
The present invention relates to a kind of steam-electric power seawater desalination systems.
Background technique
With the growth of the modern size of population and the high speed development of modern industry, the need of water resource especially freshwater resources
The amount of asking is increasing, and it is the important channel for solving freshwater resources scarcity problem that seawater, which is carried out desalination, and traditional sea water desalination is
Using coal or petroleum as the energy, and with the reduction and pollution problem of coal and petroleum storage amount, people more will
Sight is placed on the clean energy resourcies such as wind energy, solar energy, tide energy and energy by ocean current.Clean energy resource is produced electricl energy by electricity generation system,
The electric energy production superheated steam is recycled, superheated steam can be delivered to steam generating system and generate electricity, then again will overheat
Steam electricity amount is delivered to seawater desalination system and carries out sea water desalination.
Application publication number is CN105589331A, and data of publication of application is that the Chinese invention patent application of 2016.05.18 discloses
A kind of wind-light-pumped storage-sea water desalination composite system energy management method, the management method is according to current time wind energy, the sun
The electric energy and people that the clean energy resourcies such as energy can be generated carry out the relationship required for normal life between electric energy, fresh water, choosing
It selects and carries out water-storage or sea water desalination at current time.When wind energy, solar energy supply are enough to ensure that people's normal life,
The extra electric energy that wind energy and solar energy is generated carries out sea water desalination operation, and carries out water-storage operation using the electric energy,
By desalination water pumped storage into high-order fresh water retention reservoir；When the decline of wind energy and solar energy quantity is insufficient for people's life and sea
When water is desalinated, the potential energy driving hydraulic turbine that can use the fresh water of fresh water retention reservoir generates electricity, to meet people's life and sea
Water desalination.
But conventional seawater desalination system such as low temperature multiple-effect distillation system needs while utilizing the waste heat of electric energy and steam
It generates electricity, and since the clean energy resourcies such as wind energy, solar energy, tide energy and energy by ocean current can not export stable electricity for a long time
The quantity of stream, the superheated steam for causing steam generating system to generate is unstable, when superheated steam amount is less, can not drive steam
Electricity generation system power generation, low temperature multiple-effect distillation system can not carry out sea water desalination operation, then the superheated steam generated can not be utilized
And generate energy waste.
Summary of the invention
The purpose of the present invention is to provide one kind can superheated steam amount enough with it is less in the case where carry out sea simultaneously
The seawater desalination system of water operation, sea water desalination operation can not be carried out when superheated steam amount is less in the prior art to solve and
Lead to the problem of energy waste.
In order to solve the above-mentioned technical problem, the technical solution of steam-electric power seawater desalination system of the invention are as follows:
Scheme 1: a kind of steam-electric power seawater desalination system, including clean energy resource electricity generation system and utilization clean energy resource electricity generation system
The steam generation device of the electric energy production superheated steam of generation, steam generation device is connected with to be generated electricity using superheated steam
Steam generating system is connected with seawater desalination system on steam generating system, and the seawater desalination system includes parallel arrangement of
It needs the first seawater desalination system for carrying out sea water desalination using electric energy and only needs to carry out the evaporation of sea water desalination using heat
Condenser system, the evaporative condenser system pass through pipeline simultaneously and connect with steam generation device.
The beneficial effect of the technical solution is: parallel arrangement of the first seawater for needing to carry out sea water desalination using electric energy
Desalination system and only need using heat carry out sea water desalination evaporative condenser system be connected respectively with steam generating system, simultaneously
Evaporative condenser system is connect by pipeline with steam generation device, when the amount of superheated steam is enough, can use steam-electric power
System generates electricity and waste heat supplies the first seawater desalination system simultaneously and evaporative condenser system carries out sea water desalination operation,
When superheated steam amount deficiency, the superheated steam that steam generation device makes can be fed directly to evaporative condenser system by pipeline
System carries out sea water desalination operation using evaporative condenser system, improves the utilization rate of superheated steam, energy saving.
Scheme 2: steam-electric power seawater desalination system according to scheme 1, first seawater desalination system are low temperature
Multi-effect distillation system.Low temperature multiple-effect distillation system technology matures, construction cost are low.
Scheme 3: steam-electric power seawater desalination system according to scheme 1, the steam generation device are power steam
Boiler.Power steam boiler is easy to use, at low cost.
Scheme 4: steam-electric power seawater desalination system according to scheme 1, the clean energy resource electricity generation system includes wind
At least one of electric system, photovoltaic generating system, tidal power generation system and ocean current power-generating system.
Scheme 5: the steam-electric power seawater desalination system according to any one of scheme 1-4, the steam generating system
Including the different steam-driven generator of two power, one of them is high-power steam-driven generator, it is corresponding another be small-power
Steam-driven generator, high-power steam-driven generator are connect with seawater desalination system respectively with small-power steam-driven generator.Different
Under environmental condition clean energy resource electricity generation system generate electric energy difference it is very big, stability is poor, high-power steam-driven generator with it is small
Power steam-driven generator can be opened and closed according to environmental condition, increase the scope of application of steam generating system.
Scheme 6: the steam-electric power seawater desalination system according to any one of scheme 1-4, the clean energy resource power generation
Power transmission and transformation system is also connected between system and steam generation device.Power transmission and transformation system can carry out unstable electric energy preliminary
Stable conversion is the electric energy for being suitble to steam generation device, provides metastable energy supply for steam generation device.
Scheme 7: the steam-electric power seawater desalination system according to any one of scheme 1-4, the seawater desalination system
Output end connect with water storage system by pipeline, water storage system include exist potential difference elevated storage library and low level water storage
Library, the connecting pipeline between elevated storage library and low level storage reservoir are equipped with water pump system and hydrogenerator.Elevated storage library
The fresh water that driving water pump system makes seawater desalination system when the stable electric energy that can be generated in steam generating system is more
It is delivered to elevated storage library and carries out energy storage operation, in bad environments steam generating system generated energy deficiency, elevated storage library is put
Water simultaneously drives hydrogenerator power generation to provide the energy for seawater desalination system.
Detailed description of the invention
Fig. 1 is the flow diagram of the embodiment 1 of steam-electric power seawater desalination system of the invention；
Fig. 2 is the structural schematic diagram of the embodiment 1 of steam-electric power seawater desalination system of the invention.
In figure: 1. wind power systems；2. photovoltaic generating system；3. tidal power generation system；4. ocean current power-generating system；5. electric power steams
Boiler furnace；6. high-power steam-driven generator；7. small-power steam-driven generator；8. power transmission and transformation system；9. grid-connected system；10. drawing water
Energy accumulation power consumption；11. waste heat；12. sea water desalination electricity consumption；13. low temperature multiple-effect distillation system；14. evaporative condenser system；15. high-order
Storage reservoir；16. hydrogenerator；17. low level storage reservoir；18. household electricity；19. water pump system；20. workshop；21. workshop branch
Support beam；22. access path supporting beam；23. access path；24. pipeline.
Specific embodiment
The embodiment 1 of steam-electric power seawater desalination system of the invention as shown in Figure 1 to Figure 2, including is used to generate shakiness
The clean energy resource electricity generation system of fixed electric energy, the unstable electric energy production superheated steam generated using clean energy resource electricity generation system
Steam generation device, steam generation device is power steam boiler 5, is generated stable electricity using superheated steam in the embodiment
The steam generating system of energy and the seawater desalination system that sea water desalination operation is carried out using stable electric energy, in this embodiment,
Clean energy resource electricity generation system includes wind power system 1, photovoltaic generating system 2, tidal power generation system 3 and ocean current power-generating system 4, at it
In his embodiment, clean energy resource electricity generation system can also only include wind power system 1, photovoltaic generating system 2, tidal power generation system 3
With the part in ocean current power-generating system 4.Clean energy resource electricity generation system is connect by power transmission and transformation system 8 with power steam boiler 5,
In other embodiments, power transmission and transformation system 8 also can be omitted, clean energy resource electricity generation system and power steam boiler 5 are directly connected to；
The quantity of power steam boiler 5 has multiple, is separately connected wind power system 1, photovoltaic generating system 2, tidal power generation system 3 and ocean current
Electricity generation system 4 selects corresponding clean energy resource electricity generation system and power steam boiler to generate under different environmental conditions
Hot steam.
The steam (vapor) outlet of power steam boiler 5 is connected to the steam inlet of steam generating system, in this embodiment, steam
Electricity generation system includes two different steam-driven generators of power, respectively high-power steam-driven generator 6 and small-power steam-electric power
Machine 7.Steam-electric power seawater desalination system further includes that different power steams is adjusted according to the generated energy of clean energy resource electricity generation system
Boiler 5 and high-power steam-driven generator 6, small-power steam-driven generator 7 or high-power steam-driven generator 6 and small-power steam-electric power
The regulating system that machine 7 is separately connected, the steam inlet of high-power steam-driven generator 6 with connect photovoltaic generating system 2, tidal power generation
The power steam boiler 5 of system 3 is connected to, small-power steam-driven generator 7 and the electric power for connecting wind power system 1, ocean current power-generating system 4
Steam boiler 5 is connected to.Wind power system 1 is affected by environment larger with ocean current power-generating system 4, produces electricl energy unstable, passes through adjusting
System adjusts the big motor 7 of small-power and is connected to the power steam boiler 5 for connecting wind power system 1 and ocean current power-generating system 4, generation
Electric energy is mainly delivered to seawater desalination system, and the electric energy that photovoltaic generating system 2 is generated with tidal power generation system 3 is opposite stable, holds
Continuous property is good, and regulating system adjusts high-power steam-driven generator 6 and the electric power that connect photovoltaic generating system 2 and tidal power generation system 3
Steam boiler 5 is connected to, and the electric energy of generation can also be delivered to grid-connected system 9, as life other than supplying seawater desalination system
It applies flexibly electricity 18 and supplies power grid；Under different environmental conditions, regulating system can also adjust different superheated steams and be delivered to not
Same steam-driven generator can also close small-power steam-driven generator 7 in superheated steam amount deficiency.
Steam generating system is connect with seawater desalination system, and seawater desalination system is including the use of sea water desalination electricity consumption 12 and gives up
Heat 11 carries out the first seawater desalination system of sea water desalination, and the first seawater desalination system is low temperature multiple-effect distillation in this embodiment
System 13, seawater desalination system further include the evaporative condenser system 14 for only utilizing waste heat 11 without utilizing sea water desalination electricity consumption 12,
Low temperature multiple-effect distillation system 13 and evaporative condenser system 14 respectively with high-power steam-driven generator 6, small-power steam-driven generator 7
Connection；The fresh water of seawater desalination system production simultaneously can also be delivered to power steam boiler 5 and carry out steam production.
Evaporative condenser system 14, low temperature multiple-effect distillation system 13 output end elevated storage library 15 is connected with by pipeline 24
With low level storage reservoir 17, water pump system 19 and water wheels are additionally provided on the pipeline 24 between elevated storage library 15 and low level storage reservoir 17
Generator 16, water pump system 19 are connected to steam generating system.The fresh water that seawater desalination system generates preferentially supplies electric power steam
Boiler 5 carries out steam production, and the enough seawater desalination systems of electric energy that and steam generating system more in fresh water generates are in use, can
The fresh water that seawater desalination system produces for feed-water pump 19, is delivered to elevated storage library 15 by water-storage electricity consumption 10,
And when water pump system 19 does not work, the fresh water of seawater desalination system production is delivered to low level storage reservoir 17 using ground potential difference；?
The inadequate seawater desalination system of electric energy that steam generating system generates is in use, can be expelled to low level for the water in elevated storage library 15
Storage reservoir 17 is generated electricity using hydrogenerator 16 and supplies seawater desalination system electricity consumption and people's household electricity, high-order
Water source in storage reservoir 15 can also be delivered to evaporative condenser system and carry out condensation operation, or supply people's domestic water.
It, can be by establishing workshop 20 manually to manufacture elevated storage library 15 and low level storage reservoir in the area that topography is gentle
17, generally two layers of workshop 20, high level can be used as elevated storage library 15, and access path is arranged in the top in elevated storage library 15
23, facilitate staff to overhaul each equipment, access path supporting beam 22 is provided between access path 23 and workshop,
Access path supporting beam 22 can reinforce the structural strength of workshop 20 simultaneously, and low temperature multiple-effect distillation can be set in the bottom of workshop 20
System 13, evaporative condenser system 14, the bottom of workshop 20 are additionally provided with the factory with access path supporting beam 22 on same vertical line
Room supporting beam 21 stores to reduce the fresh water evaporation in elevated storage library 15, low level storage reservoir 17 in elevated storage library 15 and low level
In addition photovoltaic generating system 2 is arranged in the top of reservoir 17, can also acquire the sun in the case where reducing water and being lost can be carried out
Power generation.
Steam-electric power seawater desalination system of the invention when in use, by wind power system, photovoltaic generating system, tidal power generation
System and the unstable electric energy of ocean current power-generating system production are delivered to different power steam boilers respectively to generate overheat and steam
Vapour；By regulating system make using photovoltaic generating system, tidal power generation system generate superheated steam power steam boiler incited somebody to action
Hot steam is delivered to high-power steam-driven generator；The power steam of superheated steam is generated using wind power system, ocean current power-generating system
Superheated steam is delivered to small-power steam-driven generator to export stable electric energy by boiler；High-power steam-driven generator and small-power
The stable electric energy and waste heat of steam-driven generator output is delivered to low temperature multiple-effect distillation system respectively and carries out sea water desalination operation,
High-power steam-driven generator and small-power steam-driven generator output waste heat are delivered to evaporative condenser system respectively and carry out sea water desalination
Operation, while the stable electrical energy transportation of high-power steam-driven generator output is to grid-connected system；Low temperature multiple-effect distillation system and steaming
The fresh water for solidifying system production of feeling cold is delivered to low level storage reservoir, when the stable electric energy of steam generating system production has more than needed,
Fresh water is delivered to elevated storage library with electric drive water pump system and carries out energy storage by water-storage；It can not work in steam generating system
When, water is sent to low level storage reservoir in elevated storage library, and water flow driving hydrogenerator carries out power generation supply seawater desalination system operation.
It is enough in the electricity that clean energy resource electricity generation system generates, thus the number for the superheated steam for generating power steam boiler
When measuring enough, the electric energy that steam generating system generates can be supplied to low temperature multiple-effect distillation system simultaneously with waste heat and evaporation is cold
Solidifying system carries out sea water desalination operation；When the electricity that clean energy resource electricity generation system generates occurs fluctuating and reduce, supply electric power
The electric energy of steam boiler is insufficient, can when the superheated steam amount that power steam boiler generates is not enough to supply steam-driven generator power generation
Evaporative condenser system is fed directly to by pipeline with the superheated steam for making power steam boiler, utilizes evaporative condenser system
Sea water desalination operation is carried out, the utilization rate of superheated steam is improved, it is energy saving.
The embodiment 2 of steam-electric power seawater desalination system of the invention, the difference from embodiment 1 is that: it is steamed in embodiment 1
Vapour electricity generation system includes two different steam-driven generators of power, and steam generating system can also only have one in the present embodiment
The identical steam-driven generator of multiple power also can be set in steam-driven generator.
The embodiment 3 of steam-electric power seawater desalination system of the invention, the difference from embodiment 1 is that: it is steamed in embodiment 1
Vapour generation device is power steam boiler, and in the present embodiment, steam generation device may be electrothermal tube and on electrothermal tube
Spray the nozzle of water flow.
The embodiment 4 of steam-electric power seawater desalination system of the invention, the difference from embodiment 1 is that: in embodiment 1
One seawater desalination system is low temperature multiple-effect distillation system, and in the present embodiment, the first seawater desalination system may be electrodialysis
Seawater desalination system or reverse osmosis seawater desalination system.
Claims (7)
1. a kind of steam-electric power seawater desalination system, it is characterised in that: including clean energy resource electricity generation system and utilize clean energy resource
Electricity generation system generate electric energy production superheated steam steam generation device, steam generation device be connected with using superheated steam into
The steam generating system of row power generation, seawater desalination system is connected on steam generating system, and the seawater desalination system includes simultaneously
What row was arranged is needed the first seawater desalination system for being carried out sea water desalination using electric energy and only needs to carry out seawater using heat light
The evaporative condenser system of change, the evaporative condenser system pass through pipeline simultaneously and connect with steam generation device.
2. steam-electric power seawater desalination system according to claim 1, it is characterised in that: first seawater desalination system
For low temperature multiple-effect distillation system.
3. steam-electric power seawater desalination system according to claim 1, it is characterised in that: the steam generation device is electricity
Power steam boiler.
4. steam-electric power seawater desalination system according to claim 1, it is characterised in that: the clean energy resource electricity generation system
Including at least one of wind power system, photovoltaic generating system, tidal power generation system and ocean current power-generating system.
5. steam-electric power seawater desalination system described in any one of -4 according to claim 1, it is characterised in that: the steam hair
Electric system includes two different steam-driven generators of power, one of them is high-power steam-driven generator, corresponding another is
Small-power steam-driven generator, high-power steam-driven generator are connect with seawater desalination system respectively with small-power steam-driven generator.
6. steam-electric power seawater desalination system described in any one of -4 according to claim 1, it is characterised in that: the cleaning energy
Power transmission and transformation system is also connected between source electricity generation system and steam generation device.
7. steam-electric power seawater desalination system described in any one of -4 according to claim 1, it is characterised in that: the seawater is light
The output end of change system is connect by pipeline with water storage system, and water storage system includes the elevated storage library and low level in the presence of ground potential difference
Storage reservoir, the connecting pipeline between elevated storage library and low level storage reservoir are equipped with water pump system and hydrogenerator.
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| US12040517B2 (en) | 2022-11-15 | 2024-07-16 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell and methods of use thereof |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
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| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11563229B1 (en) | 2022-05-09 | 2023-01-24 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11611099B1 (en) | 2022-05-09 | 2023-03-21 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11699803B1 (en) | 2022-05-09 | 2023-07-11 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
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